3_INPUT_AND_GATE_COMPARATOR

Published:2009/7/10 1:18:00 Author:May | From:SeekIC

This circuit has high output onty when all three inputs are high. The noninverting-input current, when all three inputs are high, must exceed that of the inverting input, as determined by R4. The circuit can be converted to a NAND gate by transposing the two inputs of the op amp.



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